3835868069 has 24 divisors (see below), whose sum is σ = 4278317400. Its totient is φ = 3436252160.

The previous prime is 3835868041. The next prime is 3835868087. The reversal of 3835868069 is 9608685383.

3835868069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 543169 + 3835324900 = 737^2 + 61930^2 .

It is not a de Polignac number, because 3835868069 - 2¹² = 3835863973 is a prime.

It is a super-2 number, since 2×3835868069² = 29427767685547577522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3835868039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2469197 + ... + 2470749.

It is an arithmetic number, because the mean of its divisors is an integer number (178263225).

Almost surely, 2^3835868069 is an apocalyptic number.

It is an amenable number.

3835868069 is a deficient number, since it is larger than the sum of its proper divisors (442449331).

3835868069 is a wasteful number, since it uses less digits than its factorization.

3835868069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861 (or 1850 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 56.

The square root of 3835868069 is about 61934.3851911037. The cubic root of 3835868069 is about 1565.3851895111.

The spelling of 3835868069 in words is "three billion, eight hundred thirty-five million, eight hundred sixty-eight thousand, sixty-nine".